LONGEVITY AND HEALTHSPAN
Longevity is a system, not a single score.
Biomarkers matter, but they sit alongside movement, body composition, recovery, relationships, environment and the choices you can sustain. These guides help put the pieces back together.
Published by Kalibra. Last reviewed 11 September 2026. These guides organise Kalibra’s educational articles and do not replace medical advice. Individual articles retain their own sources and publication dates.
Build the framework
Improving healthspan: your survival guide
A broad framework for improving the years lived in good health.
Why we have been thinking about ageing all wrong
Why biological and chronological age are not the same thing.
Ageing: the realist’s guide
A grounded look at healthspan and the choices that support it.
Use biomarkers without becoming trapped by them
Why we should start with blood testing
How blood testing can provide a useful baseline.
Beyond biomarkers: four blind spots in longevity medicine
What panels and dashboards can leave out.
VO2max is a medical meme
Why one performance number should not carry the whole longevity story.
Protect function and connection
You cannot hit your protein target by accident
Protein, lean mass and a practical way to think about intake.
GLP-1s, weight loss and body composition
Why lean mass and strength matter alongside weight loss.
Friends as medicine
The role of close relationships in health and longevity.
